Daily Practice · GCSE Science
February 2014 - GCSE Science 5-a-day
Every GCSE Science sheet published in February 2014, with answers. Biology, chemistry and physics recall, definition and calculation, drawn from every strand.
Every sheet in February 2014
The same date always regenerates the same five questions, so a sheet you print today is the sheet a classmate prints tomorrow.
- 1st February 2014Define oxygen debt.
- 2nd February 2014Explain one benefit of the Human Genome Project.
- 3rd February 2014Why is the burette rinsed with the solution it is going to contain rather than with water?
- 4th February 2014State the relative mass and relative charge of a neutron.
- 5th February 2014Calculate the Mr of Ca(OH)2. (Ca = 40, O = 16, H = 1)
- 6th February 2014Explain why solid sodium chloride does not conduct electricity, but molten sodium chloride does.
- 7th February 2014In the gas-volume required practical measuring how concentration affects rate, state one variable that should be controlled.
- 8th February 2014Which reagent is added, and in what colour change, to test for chlorine gas?
- 9th February 2014Explain how solid carbon particulates released by combustion can cause global dimming.
- 10th February 2014A lamp is supplied with 60 J and transfers 6 J as light. Calculate its efficiency as a percentage.
- 11th February 2014Define specific latent heat of fusion.
- 12th February 2014A cyclist rides 300 m north then 300 m back south to the start. State the total distance travelled and total displacement.
- 13th February 2014A wave travels from air into glass and slows down. State what happens to its direction, and explain why in terms of wavelength.
- 14th February 2014State what a nebula is, and explain its role in the life cycle of a star.
- 15th February 2014Give the equation linking magnification, image size and real size.
- 16th February 2014Give one advantage and one disadvantage of a stent.
- 17th February 2014A lamp is placed 10 cm from pondweed. Calculate the relative light intensity using relative light intensity = 1 / distance^2.
- 18th February 2014Name the hormone released by the adrenal glands that prepares the body for fight or flight.
- 19th February 2014State what is meant by the term ecosystem.
- 20th February 2014Classify crude oil as finite or renewable, and justify your answer.
- 21st February 2014Describe metallic bonding.
- 22nd February 2014Calculate the number of moles of sodium hydroxide in 200 cm3 of a 0.500 mol/dm3 solution.
- 23rd February 2014State whether breaking a chemical bond requires energy or releases energy.
- 24th February 2014State the general formula of the alkenes.
- 25th February 2014Give two human activities that increase the amount of greenhouse gases in the atmosphere.
- 26th February 2014A 5.0 kg object is lifted 3.0 m. Calculate its gain in gravitational potential energy (g = 9.8 N/kg).
- 27th February 2014Why does the national grid transmit electricity at a very high potential difference?
- 28th February 2014Why is the atomic model a good example of how scientific models change?